MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range from -65 °C to 200 °C. Available in various configurations including front and rear wall mount as well as jam nut receptacles, they offer RFI grounding plugs and utilize M39029 rear release crimp contacts. With options for RoHS compliant finishes like electroless nickel and cadmium-free coatings, these connectors are housed in high-strength aluminum shells, ensuring durability. Perfect for military and aerospace applications, their gold-plated removable crimp contacts provide reliable conductivity, making them ideal for demanding environments.